FANR 3060 1st Edition Lecture 2Outline of Last LectureI. LandscapesII. The Rock Cycle (Fig. 1.1)III. Structure of the Earth’s Interior (Fig. 1.2)Outline of Current LectureI. Geologic History of the Southeastern USII. Geologic History of GAChapter 1con’tI. Figure 1.4 (Geologic Conditons in SE U.S.)a. 450 million years ago (mya)b. Only life was in the oceansc. N. America was just an islandII. Figure 1.5 (Geo. Conditions in SE U.S.)a. 375 myab. Pangea has formedc. Land plants existd. Coal forest existi. Still using coal from those todaye. Collison with Africa happened 300 myaThese notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.III. Fig 1.6(Geo. Conditions in SE U.S.)a. 120 myab. Africa broke off of Pangeac. Appalachian Mtns are weathering/erodingi. Made by collision of Africa and N. Americaii. These sediments settled and deposited into what is now the lowlands and the continental shelfIV. Fig. 1.8 (Major Physiographical regions of GA)a. The Fall Line is the old coast line of GA, before the ocean recededb. Valley & Ridge areai. Sedimentaryc. Blue Ridge & Piedmont areasi. Metamorphic d. Southeaster Coastal Plains & Flatwoodsi. Deposition environment1. Plains2. Caused by erosion of Appalachian Mtnsii. Flatwoods are a very young
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